Figure 8.3 Functional Keys
Items
Touch Keys
Functional Description
1
Home button
Return to the home page
2
Menu button
Check or configure operation status, alarm information, temperature and humidity settings, parameter
settings, temperature and humidity graph, and check version information and service information
3
Operating status
Display the current state of the unit: unit run, remote off, display off, monitor off, standby
4
Toggle button 1
Switch between graphical display mode and list display mode
5
Control mode
Show unit settings and temperature and humidity data
6
Status display
Show the data of cooling, fan, electric heater, humidifier, dehumidifier, fan speed, heating status, and
humidifier status
7
Alarm list
Show current alarms and the time when they are generated
8
Toggle button 2
Switch between the sensor data page and the alarm page
9
Unlock button
Unlock the HMI display
10
ON/OFF button
Press the button for three seconds to start or stop the unit
11
Display address
Show HMI address and set HMI address
12
Unit address
Show unit address
13
Time display
Show current time and date
14
Graph button
Show the graphs of average return air temperature, average return air humidity, average supply air
temperature, and average remote temperature
15
Setting button
Set temperature and humidity
Table 8.2 Function Description
8 HMI Display
57
Vertiv™ Liebert® CRV CRD25 and CRD35 Row-Based Cooling System User Manual
